How To Fix SZDM_LOCK338 - RFC ping fails for &1 with rc &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SZDM_LOCK - To be used for messages due to read only locks

• Message number: 338

• Message text: RFC ping fails for &1 with rc &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SZDM_LOCK338 - RFC ping fails for &1 with rc &2 ?

  The SAP error message SZDM_LOCK338 RFC ping fails for &1 with rc &2 typically indicates an issue with the Remote Function Call (RFC) connection between SAP systems or between an SAP system and an external system. This error can occur for various reasons, and understanding the cause is essential for troubleshooting.
  Causes:
  
  Network Issues: There may be network connectivity problems between the systems involved. This could be due to firewalls, routing issues, or network outages.
  Configuration Errors: The RFC destination may not be configured correctly in the SAP system. This includes incorrect parameters such as the target host, system number, or client.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to establish a connection.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  SAP Gateway Issues: The SAP Gateway service may not be running on the target system, or there may be issues with the gateway configuration.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the target system is reachable from the source system.
  Ensure that there are no firewall rules blocking the RFC communication.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination that is causing the error.
  Ensure that the connection type, target host, system number, and client are correctly configured.
  
  
  
  Test the RFC Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to see if the connection can be established successfully.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  
  
  
  Check System Status:
  
  Verify that the target SAP system is up and running. You can check the system status in transaction SM51 or by accessing the system directly.
  
  
  
  Review Gateway Configuration:
  
  Ensure that the SAP Gateway service is running on the target system. You can check this in transaction SMGW.
  Review the gateway logs for any errors that might indicate issues with the service.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SMGW: Gateway Monitor
  SM51: List of SAP Systems
  
  
  Logs: Check the system logs (transaction SM21) for any related error messages that might provide more context.
  SAP Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance.
  
  By systematically checking these areas, you should be able to identify and resolve the cause of the SZDM_LOCK338 error.